I have a 2004 Grand Prix GT and the heat only seems work blow warm air as I'm driving down the highway?

Asked by Jan 08, 2015 at 11:09 AM about the 2004 Pontiac Grand Prix

Question type: Maintenance & Repair

When ever I drive my car down the highway the heat seems to work fine, but when I come to a stop it starts to get cold and the temp gauge seems to go up as I slow down as well.  Any ideas?

3 Answers

3,595

Sounds like a low coolant level or air trapped in the system.

I put some coolant in and it seemed to help. I checked it cold and it was low. Now I can hear a girling sound coming from the dash area when I'm driving slow or turning.

3,595

You could have air trapped in the system as well. It may take several efforts to get the air completely out. I've heard that parking with the car facing uphill and then running the engine and slowly topping up the radiator will sometimes get the job done. Give it a try.

Your Answer

Add photo

Related Questions

Grand Prix

Looking for a Used Grand Prix in your area?

CarGurus has 3,814 nationwide Grand Prix listings starting at $900.

ZIP:

Search Pontiac Grand Prix Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Pontiac Grand Prix Experts

#1 Js08016
Js08016
Reputation 3,870
#2 Tom Demyan
Tom Demyan
Reputation 2,570
#3 munron
munron
Reputation 2,060
View All

Related Models For Sale

Used Chevrolet Impala
935 Great Deals out of 35,463 listings starting at $1,995
Used Pontiac Bonneville
8 Great Deals out of 669 listings starting at $995
Used Pontiac G6
98 Great Deals out of 5,154 listings starting at $999
Used Pontiac Grand Am
1,699 listings starting at $1,000
Used Chevrolet Monte Carlo
13 Great Deals out of 1,701 listings starting at $2,000
Used Chevrolet Malibu
1,123 Great Deals out of 82,793 listings starting at $1,800
Used Ford Mustang
583 Great Deals out of 41,215 listings starting at $1,699
Used Pontiac GTO
9 Great Deals out of 512 listings starting at $5,500
Used Jeep Grand Cherokee
1,001 Great Deals out of 65,972 listings starting at $1,500
Used Chrysler 300
497 Great Deals out of 22,256 listings starting at $1,000
Used Buick Regal
161 Great Deals out of 11,416 listings starting at $1,995

Used Cars For Sale

2008 Pontiac Grand Prix For Sale
14 Great Deals out of 472 listings starting at $900
2007 Pontiac Grand Prix For Sale
519 listings starting at $1,997
2006 Pontiac Grand Prix For Sale
3 Great Deals out of 638 listings starting at $1,550
2005 Pontiac Grand Prix For Sale
458 listings starting at $5,900